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Effects Of Aging And Dietary Phytoestrogens On Sperm Production In Sprague Dawley Rats, Brian Cutler
Effects Of Aging And Dietary Phytoestrogens On Sperm Production In Sprague Dawley Rats, Brian Cutler
Masters Theses
Estrogens, in addition to testosterone, are physiologically relevant to normal sperm production in the testis and sperm maturation in the epididymis. Previous studies from our lab demonstrated that daily sperm production declines from 15 to 18 months of age in Sprague Dawley rats, and treatment with estrogen during this period attenuated the age-associated decline. Phytoestrogens are present in standard rodent diets at high levels (350-650 mg/kg) and may be potential endocrine disruptors. The purpose of this study was to investigate the effect of removing dietary phytoestrogens during aging on sperm production. Retired breeder Sprague Dawley rats were obtained at 9 …